Addition.3. Install the add-on in an additional order, observing the second condition. 1. I would have bought it, I should, if, I was, you, 2. He would have started playing chess, he had the time, if. 3. If they were young, they would have played football. 4. You would be free if you went, you were there. on foot, they lived there, if they went home, they would.